txheem
Vitamin B3 (niocin lossis lub npe qub dhau los PP) yog dej-soluble thiab yooj yim nqus hauv lub cev.
Niacin los ua ob hom, niacin thiab niacin. Thawj thawj zaug nicotinic acid tau nyob rau hauv 1867 raws li kev coj los ntawm nicotine, tab sis tom qab ntawd tsis muaj leej twg qhia qhov tseem ceeb ntawm cov tshuaj no rau lub cev. Nws tsuas yog hauv 1937 tias qhov tseem ceeb ntawm kev lom neeg ntawm niacin tau tsim.
Hauv cov khoom tsiaj, niacin muaj nyob rau hauv daim ntawv ntawm nicotinamide, thiab hauv cov khoom cog, nws yog nyob rau hauv daim ntawv ntawm nicotinic acid.
Nicotinic acid thiab nicotinamide zoo heev nyob rau hauv lawv cov nyhuv hauv lub cev. Rau nicotinic acid, ntau cov lus tshaj tawm vasodilator cov yam ntxwv yog yam ntxwv.
Niacin tuaj yeem tsim nyob rau hauv lub cev los ntawm cov tseem ceeb amino acid tryptophan. Nws ntseeg tau tias 60 MG ntawm niacin yog synthesized los ntawm 1 mg ntawm tryptophan. Hauv qhov no, ib tus neeg xav tau kev ua haujlwm txhua hnub yog qhia hauv niacin sib npaug (NE). Yog li, 1 niacin sib npaug sib raug rau 1 mg ntawm niacin lossis 60 mg ntawm tryptophan.
Vitamin B3 nplua nuj zaub mov
Qhia kwv yees kwv yees muaj nyob hauv 100 g ntawm cov khoom
Yuav tsum tau siv txhua hnub ntawm vitamin B3
Qhov kev xav tau niaj hnub rau cov vitamin B3 yog: rau txiv neej - 16-28 mg, rau poj niam - 14-20 mg.
Qhov xav tau rau cov vitamin B3 nce nrog:
- kev siv lub cev hnyav;
- cov kev ua haujlwm neuropsychic (cov kws sim, cov xa khoom, cov neeg xa xov tooj);
- nyob rau sab qaum teb deb;
- ua haujlwm hauv huab cua sov lossis hauv chaw ua haujlwm kub;
- cev xeeb tub thiab lactation;
- cov khoom noj muaj protein tsawg tsawg thiab kev cia siab ntawm cov nroj tsuag muaj protein ntau dua li tsiaj (noj zaub noj mov, yoo mov).
Cov khoom muaj txiaj ntsig zoo thiab nws cov nyhuv ntawm lub cev
Vitamin B3 yog qhov tsim nyog rau kev tso tawm lub zog los ntawm carbohydrates thiab cov rog, rau cov protein metabolism. Nws yog ib feem ntawm cov enzymes uas muab lub zog ua pa ntawm tes. Niacin normalizes lub plab thiab mob caj dab.
Nicotinic acid muaj cov txiaj ntsig zoo rau cov leeg hlwb thiab hlab plawv; tswj cov tawv nqaij noj qab haus huv, plab hnyuv thiab lub qhov ncauj; koom rau hauv kev saib xyuas ntawm lub zeem muag ib txwm, txhim kho cov ntshav thiab txo ntshav siab.
Cov kws tshawb fawb ntseeg tias niacin txwv tsis pub cov kab mob qog ib txwm los ua qog noj ntshav.
Tsis muaj thiab tshaj cov vitamin
Cov tsos mob ntawm Vitamin B3 Tsis Txaus
- ua tsis taus pa, tsis quav ntsej, qaug zog;
- kiv taub hau, mob taub hau;
- txob taus
- pw tsis tsaug zog;
- tsis qab los noj mov, poob phaus;
- pallor thiab dryness ntawm daim tawv nqaij;
- palpitation;
- cem quav;
- txo hauv lub cev tsis kam mus rau kis tau tus mob.
Nrog lub caij nyoog vitamin B3 ncua sijhawm ntev, kab mob pellagra tuaj yeem tsim kho. Cov tsos mob thaum ntxov ntawm pellagra yog:
- raws plab (tso quav 3-5 zaug los yog ntau dua ib hnub, dej tsis muaj ntshav thiab hnoos qeev);
- ploj ntawm lub qab los noj mov, hnyav hnyav hauv plab;
- Kev mob siab rau lub siab, txhav;
- hlawv lub qhov ncauj, qau;
- liab ntawm cov qog ua kua;
- o ntawm daim di ncauj thiab pom ntawm cov kab nrib pleb ntawm lawv;
- papillae ntawm tus nplaig protrude li cov liab, thiab tom qab ntawd du tawm;
- kev sib tsoo tob yog ua tau ntawm tus nplaig;
- cov pob liab liab tshwm ntawm tes, ntsej muag, caj dab, lauj tshib;
- cov tawv nqaij o (nws mob, khaus thiab hlwv tshwm rau nws);
- kev ua haujlwm tsis muaj zog, tinnitus, mob taub hau;
- kev hnov ntawm loog thiab ntsws;
- plog gait;
- leeg ntshav siab.
Cov cim ntawm kev tshaj ntawm Vitamin B3
- daim tawv nqaij xoo pob;
- khaus;
- tsaus muag.
Qhov tseeb cuam tshuam cov ntsiab lus ntawm Vitamin B3 hauv cov zaub mov
Niacin yog qhov ruaj khov nyob rau hauv ib puag ncig sab nraud - nws tuaj yeem tiv taus lub sijhawm ntev, khov, ziab, raug tshav ntuj, alkaline thiab acidic daws. Tab sis nrog kev kho cua sov (ua noj, kib), cov ntsiab lus niacin hauv cov khoom raug txo los ntawm 5-40%.
Vim li cas Vitamin B3 Qhov Ua Tsis Muaj Tshwm Sim Muaj Feem
Nrog kev noj zaub mov zoo, qhov kev xav tau ntawm cov vitamin PP tau txaus siab.
Vitamin PP tuaj yeem muaj nyob hauv cov khoom noj hauv ob qho tib si npaj tau thiab nruj nreem. Piv txwv li, hauv cov nplej, niacin tsuas yog nyob rau hauv daim ntawv nyuaj-rau-tau txais, uas yog vim li cas cov vitamins PP tsis zoo nqus los ntawm cov nplej. Qhov teeb meem tseem ceeb yog pob kws, uas cov vitamins no yog qhov tshwj xeeb tsis muaj hmoo ua ke.
Cov neeg laus yuav tsis muaj cov vitamin PP txaus txawm tias noj txaus. lawv txoj kev cia siab yuav ntxhov siab.